naphthalene :

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naf thuh leen

  • n  a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs

  • Naphthalene acetic acid and naphthalene acetamide are two of the "growth substances" or hormone-like chemicals, which growers now use to stimulate root-sprouting, accelerate .
  • Chlorinated naphthalene was proved to be a cause in 1949.
  • The cake had apparently been poisoned by chlorinated naphthalene in a machinery lubricant used by Harrell's feed company (PTI, March 30, 1953).

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